Best Supplements for Skin health
6 evidence-based options for skin health, summarized from the research: what they do, how to dose them, and how they work together.
Collagen
The structural protein for skin, joints, and connective tissue.
Vitamin B3 (Niacin)
The NAD+ precursor that supports energy, cholesterol, and cellular repair.
Vitamin B5 (Pantothenic Acid)
The acetyl-CoA cofactor behind stress hormones, energy, and skin healing.
Vitamin B7 (Biotin)
The keratin and metabolism cofactor best known for hair, skin, and nails.
Vitamin C
Antioxidant vitamin and iron-absorption amplifier.
Zinc
An immune and hormone workhorse trace mineral.
Where to buy for skin health
Our top options for this goal. Choose third-party-tested brands in the forms each supplement's page recommends.
Some links below are affiliate links: if you buy through them we may earn a small commission at no extra cost to you. It never changes our ratings or evidence grades.
Combinations to know
How these supplements pair with each other and beyond.
Collagen + Vitamin C
Vitamin C is a required cofactor for the enzymes that build collagen, so adequate vitamin C supports both dietary collagen and the body's own production.
Vitamin B5 (Pantothenic Acid) + Vitamin C
Both are heavily used in adrenal cortex and steroid hormone synthesis.
Vitamin B7 (Biotin) + Zinc
Zinc and biotin are both involved in keratin and skin health; they are often combined in hair formulas.
Vitamin C + Zinc
Frequently combined for immune support during cold season.
Vitamin B3 (Niacin) + Vitamin C
High-dose niacin may modestly raise blood sugar; vitamin C does not eliminate this risk, especially in diabetics.
Vitamin B7 (Biotin) + Vitamin C
Vitamin C is required for collagen synthesis, which underpins skin, hair, and nail structure alongside biotin.
Frequently asked questions
What are the best supplements for skin health?
The most-researched options are Collagen, Vitamin B3 (Niacin), Vitamin B5 (Pantothenic Acid), Vitamin B7 (Biotin), Vitamin C, and Zinc. Each is summarised with its benefits, typical dosing, and the strength of the evidence behind it.
How were these skin health supplements chosen?
These are the supplements in the Vital Matrix library most commonly used for skin health, graded by the strength of human evidence. See our methodology for how we grade the research.
Can you combine supplements for skin health?
Yes, several pair well. For example, Collagen and Vitamin C: Vitamin C is a required cofactor for the enzymes that build collagen, so adequate vitamin C supports both dietary collagen and the body's own production.